I'm trying to make sure that if a user decides they are going to open a
particular record for edit mode to make changes, that another user can't
get into that same record and make changes and overwrite each other.
Ron Power
Programmer
Information Services
City Of St. John's, NL
P.O. Box 908
St. John's, NL
A1C 5M2
709-576-8132
rpower@xxxxxxxxxx
http://www.stjohns.ca/
___________________________________________________________________________
Success is going from failure to failure without a loss of enthusiasm. -
Sir Winston Churchill
"Walden H. Leverich" <WaldenL@xxxxxxxxxxxxxxx>
Sent by: java400-l-bounces+rpower=stjohns.ca@xxxxxxxxxxxx
2005/10/04 03:29 PM
Please respond to
Java Programming on and around the iSeries / AS400
<java400-l@xxxxxxxxxxxx>
To
"Java Programming on and around the iSeries / AS400"
<java400-l@xxxxxxxxxxxx>
cc
Subject
RE: Locking records in DB2
>Do you have a better suggestion than the record lock then in a web app?
What are you trying to accomplish?
-Walden
------------
Walden H Leverich III
Tech Software
(516) 627-3800 x11
WaldenL@xxxxxxxxxxxxxxx
http://www.TechSoftInc.com
Quiquid latine dictum sit altum viditur.
(Whatever is said in Latin seems profound.)
-----Original Message-----
From: java400-l-bounces@xxxxxxxxxxxx
[mailto:java400-l-bounces@xxxxxxxxxxxx] On Behalf Of RPower@xxxxxxxxxx
Sent: Tuesday, October 04, 2005 1:52 PM
To: Java Programming on and around the iSeries / AS400
Subject: RE: Locking records in DB2
Do you have a better suggestion than the record lock then in a web app?
That's not being sarcastic either, I'm open to suggestions :)
Ron Power
Programmer
Information Services
City Of St. John's, NL
P.O. Box 908
St. John's, NL
A1C 5M2
709-576-8132
rpower@xxxxxxxxxx
http://www.stjohns.ca/
________________________________________________________________________
___
Success is going from failure to failure without a loss of enthusiasm. -
Sir Winston Churchill
"Walden H. Leverich" <WaldenL@xxxxxxxxxxxxxxx>
Sent by: java400-l-bounces@xxxxxxxxxxxx
2005/10/04 03:15 PM
Please respond to
Java Programming on and around the iSeries / AS400
<java400-l@xxxxxxxxxxxx>
To
"Java Programming on and around the iSeries / AS400"
<java400-l@xxxxxxxxxxxx>
cc
Subject
RE: Locking records in DB2
>Can anyone help me with understanding what I need to do to use Java and
>SQL to put a record lock on a database file on the iSeries?
You WANT to put a record lock on a row? And how long do you intend to
hold this lock? The suggestion of "...FOR UPDATE" might work w/in the
servlet or JSP, but once you return to the user there's no guarantee
that the user will be serviced by the same iSeries job next time.
Holding a record lock on a web app is not something you usually want to
do. I guess if you really need to do it, the first thing that comes to
mind is to hold the lock not in the java program, but in a surrogate job
you launch specifically for this task.
-Walden
------------
Walden H Leverich III
Tech Software
(516) 627-3800 x11
WaldenL@xxxxxxxxxxxxxxx
http://www.TechSoftInc.com
Quiquid latine dictum sit altum viditur.
(Whatever is said in Latin seems profound.)

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